California · Santa Clara County
Past Producer
Black Horse Claim
Santa Clara County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Past Producer
Discovery year
1939
Identification
Deposit ID
10213928
MRDS ID
W025092
Alternate names
Black Wonder D
Region
NA
Data score
D
Coordinates
37.37302, -121.44772
References
MAS LISTINGBULL.152,PP.247-248,U.S.BUREAU OF MINESR.I. 5254.